OutFleet/vpn/apps.py

from django.apps import AppConfig
from django.contrib.auth import get_user_model

class VPN(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'vpn'
    
    def ready(self):
        """Import signals when Django starts"""
        try:
            import vpn.signals  # noqa
        except ImportError:
            pass